// Type your code here, or load an example.

// As of Rust 1.75, small functions are automatically
// marked as `#[inline]` so they will not show up in
// the output when compiling with optimisations. Use
// `#[unsafe(no_mangle)]` or `#[inline(never)]` to
// work around this issue.
// See https://github.com/compiler-explorer/compiler-explorer/issues/5939
#[unsafe(no_mangle)]
pub fn square(num: i32) -> i32 {
    num * num
}

// If you use `main()`, declare it as `pub` to see it in the output:
// pub fn main() { ... }